Home / 205,067.13-307,598.85-64,825.80

Finding the Fourth Proportional to 205,067.13, 307,598.85 and 64,825.80

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Solution

The fourth proportional to 205,067.13, 307,598.85 and 64,825.80 is: 97,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,067.13 : 307,598.85 = 64,825.80 : x
  2. Step 2: Convert to fraction form
    205,067.13/307,598.85 = 64,825.80/x
  3. Step 3: Cross multiply
    205,067.13x = 307,598.85 × 64,825.80
  4. Step 4: Simplify right side
    205,067.13x = 19,940,341,530.33
  5. Step 5: Solve for x
    x = 19,940,341,530.33/205,067.13
  6. Step 6: Final answer
    x = 97,238.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.